Year	Dollars
1992-01-01	7687357
1997-01-01	9546215
2002-01-01	18004094
2003-01-01	32895398
2004-01-01	30175467
2005-01-01	37420742
2006-01-01	66205406
2007-01-01	121817698
2008-01-01	131288502
2009-01-01	75458816
2010-01-01	116882042
2011-01-01	170198720
2012-01-01	163273190
2013-01-01	203939537
2014-01-01	167844571
2015-01-01	181537475
2016-01-01	255291579